package com.run.common.valid;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

/**
 * @Date: 2021/09/07/20:28
 * @Description:
 */
public class ListValueConstraintValidator implements ConstraintValidator<ListValue,Integer> {
    private Set<Integer> set = new HashSet<>();
    //初始化方法
    @Override
    public void initialize(ListValue constraintAnnotation) {

        int[] vals = constraintAnnotation.vals();
        for (int val : vals) {
            set.add(val);
        }

    }

    /**
     *     判断是否校验成功 返回true/false 其中的integer是我们需要校验的值，即提交的值
     *     constraintValidatorContext是整个校验环境的信息
     */
    @Override
    public boolean isValid(Integer integer, ConstraintValidatorContext constraintValidatorContext) {
        return set.contains(integer);
    }
}
